Cubesan

Press numbers on your keyboard to choose your tool.

Tools: 

1 2 3 4 5 6 7 8 9 0	Grass Rock Wood Sand White wall Obsidian Lava Water Dirt Delete

WASD for movement.

Q and E: rotate

R and F: fly up or down.

Arrow keys: different kind of movement

Right Mouse Click: Toggle mouse look

Enter: pause the game

<: Quick switch between delete and tool

Shift: accelerate camera

If you click restart the new map will be made with the current tool. So if you want to start a new map with rock ground, first select the rock tool and then click restart.